The true, most well-known, deffinition of a 'Hot Karl' is the act of taking a big load of your partners chest during a nice sexual adventure. This is also a Cleaveland Steamer.
2. Well uhh, I don't quite know how to ask this, but uhh... can I give you a Hot Karl?
3. Hot Karl needs another speaking point! (IJ)
Class of 2008: "Hot Karl!"